import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import qs from 'qs'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (config.url !== 'mall/file.upload/image') {
      config.headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
    } else {
      config.headers['Content-Type'] = 'multipart/form-data'
    }
    config.withCredentials = true
    if (config.method === 'post' && config.url !== '/mall/file.upload/image') {
      config.data = qs.stringify(config.data)
    }
    // if (store.getters.token) {
    //   // let each request carry token
    //   // ['X-Token'] is a custom headers key
    //   // please modify it according to the actual situation
    //   config.headers['X-Token'] = getToken()
    // }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data

    // if the custom code is not 1, it is judged as an error.
    if (res.code !== 1) {
      Message({
        message: res.msg || res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      if (res.code !== 0) {
        // to re-login
        MessageBox.confirm('您已注销，您可以取消以留在此页面，也可以重新登录？', '确认注销', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.msg || res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
